Finding the Fourth Proportional to 329,526.20, 494,313.60 and 119,136.80
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Solution
The fourth proportional to 329,526.20, 494,313.60 and 119,136.80 is: 178,713.99
Step by Step Solution
- Step 1: Write the proportion equation
329,526.20 : 494,313.60 = 119,136.80 : x - Step 2: Convert to fraction form
329,526.20/494,313.60 = 119,136.80/x - Step 3: Cross multiply
329,526.20x = 494,313.60 × 119,136.80 - Step 4: Simplify right side
329,526.20x = 58,890,940,500.48 - Step 5: Solve for x
x = 58,890,940,500.48/329,526.20 - Step 6: Final answer
x = 178,713.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.